Analyzing the Biochemistry of Saliva: Flow, Total Protein, Amylase Enzymatic Activity, and Their Interconnections - Parraca, Jose A.; Rubio-Zarapuz, Alejandro; Tornero-Aguilera, José Francisco; Clemente-Suárez, Vicente Javier; Tomas-Carus, Pablo; Rodrigues Costa, Ana (2025)